The Safety Advisor: An Interactive Object-Oriented Program for Assessing the Safeness of Roadway and Roadside Designs
This paper describes an object-oriented software tool for performing safety assessments of roadway designs. Safety assessments are used to estimate the effect of changes in roadway characteristics...
Representation of Vertical Constraints Knowledge for Scheduling Multi-Story Projects
Multi-story projects are characterized by many repetitive units or typical floors that involve identical activities repeated consecutively from one floor to the next. Horizontal logic...
An Object-Oriented Scheduling Data Acquisition Model Using a Hybrid Expert System
Acquisition of scheduling data for construction project information management is a complicated task. Historically, there has been a fundamental disconnection between cost estimation and...
Simplified Simulation Model Development for Construction Projects
The application of discrete event simulation tools is extremely beneficial in improving the efficiency of building construction activities. Simulation is used to evaluate construction...
Selecting Precast Concrete Building Systems
The development of an integrated computer system to assist in the selection of precast concrete (PC) building systems is described. StructNet, a neural network program, identifies possible...
Probabilistic Modeling of Scheduling Uncertainty: Methods and Tools
This paper provides an overview of probabilistic project scheduling methodologies and tools. It emphasizes the practical application of Monte Carlo simulation in modeling activity durations....
Selection of Earth Retention Systems Using Expert System
The development of the selection module in a knowledge-based expert system REtaining STructure EXpert (RESTEX) for automated selection, design and analysis of earth retention systems is...
Quality Management of Earthwork Using Knowledge-based Systems
Earthwork is an integral part of many construction projects. It involves cleaning of the site, loading and spreading of soil, and soil compaction and leveling. Heterogeneous orientation...
Scaling Up is Hard to Do: Experiences in Preparing a Case-Based Design Aid Prototype for Field Trial
We seek to improve the conceptual design process for complex artifacts such as buildings by offering designers access, through an on-line hypermedia library, to documentation and evaluations...
Precedents in Design: A Computational Model for the Organization of Case Knowledge
A computational model of for the organization of case knowledge of precedent knowledge is developed. The model is composed of distinct chunks of knowledge called design stories. A formalism...
Case-Based Design in the SEED System
We present the requirements for case-based design in a software environment to support the early phases in building design and outline an approach to satisfy them. We briefly discuss implementation...
FEM in a Design Code Environment
The results obtained from the use of finite element based analysis tools have created a new problem for designer: Which numbers do we use to check against Code limits? Most of the commonly...
Computer Applications in Structural Analysis and Design
The computer programs have been increasingly used in structural analysis and design to improve productivity. The computer applications in areas of automatic member and foundation design...
Evaluation of Software for Analysis and Design of Reinforced Concrete Structures
A study to verify the accuracy of two structural analysis and concrete design programs and to evaluate their functionality was conducted. The evaluation was based on a comparison of results...
Global Network Optimization for Pavement Management
In a state-wide pavement management system, the highway network can be divided into a number of road categories based on traffic level and geographical region. Network optimization analysis...
Metamodeling Approach for Approximating the Operating Characteristics of Series of G/G/1 Queues on Congested Waterways
A simulation model representing waterway networks with queues at locks has been developed and validated. Functions developed from queueing theory were formulated to describe the operating...
Computer Automation and Project Organizational Impact: A Conceptual Model
This paper presents a framework to effectively model the impact of change in the level of computerization on project organizations. A key focus is the changing relationships between project...
Personal Computer Model to Evaluate Performance of Construction Systems/Services
Worldwide competition has finally impacted the construction industry and facility managers. As manufacturers become more competitive, the cost of doing business becomes more critical....
A Goal Driven Approach to Discrete Event Simulation
Discrete event simulation is getting more attention as a tool for allocating construction resources. However, its usage is limited because it requires intensive knowledge in conducting...
3D CAD Modeling and Graphical Simulation of Mobile Cranes
This paper describes the research performed to lay a foundation for developing a graphical simulation system which can be used in the planning of heavy lifts using mobile cranes. Mobile...
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